Compound Q&A

How is 2-Ethynyl-5-(trifluoromethyl)pyridine (CAS: 379670-42-5) typically synthesized?

Answer

2-Ethynyl-5-(trifluoromethyl)pyridine
2-Ethynyl-5-(trifluoromethyl)pyridine can be synthesized via the acetylene coupling reaction of 3-chloro-5-(trifluoromethyl)pyridine with acetylene in the presence of a palladium catalyst. The reaction is carried out in an inert atmosphere to avoid decomposition. The yield is typically around 70-80%, and the reaction mixture is then purified by recrystallization.

About

English Name 2-Ethynyl-5-(trifluoromethyl)pyridine
Molecular Formula C8H4F3N
Molecular Weight 171.12 g/mol
SMILES C#CC1=NC=C(C=C1)C(F)(F)F
InChIKey PISOZFXTSONWKH-UHFFFAOYSA-N
Last Updated: 2025-12-28 14:56

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